A police crackdown on boy racers in Christchurch over the weekend led to 39 cars being seized.
Inspector Derek Erasmus says boy racers are now moving into the rural areas after being targeted in the city centrefor years.
Mr Erasmus says large numbers of police were posted in those areas during the weekend sting.
Five hundred tickets were issued, 33 drink-drivers processed and 36 unsafe cars removed from the road.
